Tooltip is a simple popup widget that encloses its content and displays a small arrow associating the content (specified as innerHTML) with an arbitrary DOM node. While the widget does not impose any size restrictions on the content, small screen mobile devices may only be able to display short text messages.

The relative positions to the aroundNode in which to try and place the Tooltip content for best fit.
before: places drop down before the aroundNode
after: places drop down after the aroundNode
above-centered: drop down goes above aroundNode
below-centered: drop down goes below aroundNode